Home / 1,003,142,851.87-1,504,118,182.76-381,403,595.16

Finding the Fourth Proportional to 1,003,142,851.87, 1,504,118,182.76 and 381,403,595.16

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Solution

The fourth proportional to 1,003,142,851.87, 1,504,118,182.76 and 381,403,595.16 is: 571,878,752.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,142,851.87 : 1,504,118,182.76 = 381,403,595.16 : x
  2. Step 2: Convert to fraction form
    1,003,142,851.87/1,504,118,182.76 = 381,403,595.16/x
  3. Step 3: Cross multiply
    1,003,142,851.87x = 1,504,118,182.76 × 381,403,595.16
  4. Step 4: Simplify right side
    1,003,142,851.87x = 573,676,082,448,626,176
  5. Step 5: Solve for x
    x = 573,676,082,448,626,176/1,003,142,851.87
  6. Step 6: Final answer
    x = 571,878,752.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.